Home / 107,896,903.10-148,911,363.51-70,758,428.21

Finding the Fourth Proportional to 107,896,903.10, 148,911,363.51 and 70,758,428.21

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Solution

The fourth proportional to 107,896,903.10, 148,911,363.51 and 70,758,428.21 is: 97,655,574.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896,903.10 : 148,911,363.51 = 70,758,428.21 : x
  2. Step 2: Convert to fraction form
    107,896,903.10/148,911,363.51 = 70,758,428.21/x
  3. Step 3: Cross multiply
    107,896,903.10x = 148,911,363.51 × 70,758,428.21
  4. Step 4: Simplify right side
    107,896,903.10x = 10,536,734,024,682,484
  5. Step 5: Solve for x
    x = 10,536,734,024,682,484/107,896,903.10
  6. Step 6: Final answer
    x = 97,655,574.18

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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.