Home / 107,896,905.29-148,911,366.53-70,758,430.40

Finding the Fourth Proportional to 107,896,905.29, 148,911,366.53 and 70,758,430.40

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Solution

The fourth proportional to 107,896,905.29, 148,911,366.53 and 70,758,430.40 is: 97,655,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896,905.29 : 148,911,366.53 = 70,758,430.40 : x
  2. Step 2: Convert to fraction form
    107,896,905.29/148,911,366.53 = 70,758,430.40/x
  3. Step 3: Cross multiply
    107,896,905.29x = 148,911,366.53 × 70,758,430.40
  4. Step 4: Simplify right side
    107,896,905.29x = 10,536,734,564,381,896
  5. Step 5: Solve for x
    x = 10,536,734,564,381,896/107,896,905.29
  6. Step 6: Final answer
    x = 97,655,577.20

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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.