Home / 69,074,404,011.60-103,611,606,017.40-64,115,421,752.40

Finding the Fourth Proportional to 69,074,404,011.60, 103,611,606,017.40 and 64,115,421,752.40

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Solution

The fourth proportional to 69,074,404,011.60, 103,611,606,017.40 and 64,115,421,752.40 is: 96,173,132,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,074,404,011.60 : 103,611,606,017.40 = 64,115,421,752.40 : x
  2. Step 2: Convert to fraction form
    69,074,404,011.60/103,611,606,017.40 = 64,115,421,752.40/x
  3. Step 3: Cross multiply
    69,074,404,011.60x = 103,611,606,017.40 × 64,115,421,752.40
  4. Step 4: Simplify right side
    69,074,404,011.60x = 6,643,101,818,249,106,423,808
  5. Step 5: Solve for x
    x = 6,643,101,818,249,106,423,808/69,074,404,011.60
  6. Step 6: Final answer
    x = 96,173,132,628.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.