Home / 105,208,077,476.16-145,197,968,197.16-64,011,381,932.35

Finding the Fourth Proportional to 105,208,077,476.16, 145,197,968,197.16 and 64,011,381,932.35

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Solution

The fourth proportional to 105,208,077,476.16, 145,197,968,197.16 and 64,011,381,932.35 is: 88,342,291,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,208,077,476.16 : 145,197,968,197.16 = 64,011,381,932.35 : x
  2. Step 2: Convert to fraction form
    105,208,077,476.16/145,197,968,197.16 = 64,011,381,932.35/x
  3. Step 3: Cross multiply
    105,208,077,476.16x = 145,197,968,197.16 × 64,011,381,932.35
  4. Step 4: Simplify right side
    105,208,077,476.16x = 9,294,322,598,069,036,646,400
  5. Step 5: Solve for x
    x = 9,294,322,598,069,036,646,400/105,208,077,476.16
  6. Step 6: Final answer
    x = 88,342,291,020.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.